Where should you turn to when you need an idea to set off an entrepreneurial endeavor or escape the shackles of writer’s block? If this was the 20th Century, you might have no choice but to sit around and think for a while, hoping that something might spark your creativity and an idea will just pop into your head. But this is the 21st Century, and there are tons of websites out there that can give a much-needed spark to your creativity. Here are five of the best.